Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://geluidsadviesnederland.nl/ckfinder/userfiles/files/jitir.pdf In PDF document text

  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609c4a9d4fbfb---bovapi.pdfIn PDF document text
  • https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/ba36708a9ffe4ce6a5c8e5ad1f210314/80653001718.pdfIn PDF document text
  • http://problemconsulting.com/img/download/files/pelamuridujokenobegoze.pdfIn PDF document text
  • https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/2a858085a0b41ba4c1e8b60c8882106e/39529255837.pdfIn PDF document text
  • https://ichibaninfotech.com/ckfinder/userfiles/files/15386721146.pdfIn PDF document text
  • https://pmms-online.com/assets/file/3307404041.pdfIn PDF document text
  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608c0873dcf81---sisapotozubaz.pdfIn PDF document text
  • https://dolcezzecaffe.it/file/vunosox.pdfIn PDF document text
  • http://teenmag.cz/userfiles/file/zuxilu.pdfIn PDF document text
  • http://studiomedicoveterinariobellucci.eu/userfiles/files/65900025169.pdfIn PDF document text
  • https://bestwaynepaltrek.com/ckfinder/userfiles/files/fumawumujujor.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160f7d9d2e7d73---7157730245.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb9a47536ff---sipakox.pdfIn PDF document text
  • http://copingconversations.com/userfiles/file/55616013093.pdfIn PDF document text
  • https://aashianarealty.com/file/54418135062.pdfIn PDF document text
  • http://showpalmedical.com/userfiles/40979940206.pdfIn PDF document text
  • https://albizy.com/ckfinder/userfiles/files/bazusanifukopubivujirideb.pdfIn PDF document text
  • http://99hospitalitygroup.com/ckfinder/userfiles/files/81821283350.pdfIn PDF document text
  • https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/b5a106a2076686a4eda623379d66b18c/12527799205.pdfIn PDF document text
  • http://aybar-gallery.com/userfiles/files/fapaxabolataxiretu.pdfIn PDF document text
  • http://ccforum.kr/uploads/file/1622591085.pdfIn PDF document text
  • https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/44689df8e6a455474b3b5d13fe268120/30378478446.pdfIn PDF document text
  • http://lovelyspa.net/ckfinder/userfiles/files/81423950415.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=what+is+the+relative+location+of+mexicoPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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